ICD-10-CM > S00-T88 > S60-S69 > S63 > S63.6 > S63.65 > S63.656 S63.656 Sprain of metacarpophalangeal joint of right little finger Non-Billable/Non-Specific Codes S63.656A..., initial encounterS63.656D..., subsequent encounterS63.656S..., sequela